mydat = rgdal::readOGR("./new_map/nynta.shp")

## OGR data source with driver: ESRI Shapefile 
## Source: "/Users/ada/Documents/Ada Documents/Master in Columbia/Courses/Data Science/R programming/homework/p8105_final_project/new_map/nynta.shp", layer: "nynta"
## with 195 features
## It has 7 fields

mydat2 = rgdal::readOGR("./new_map/nynta.shp")

## OGR data source with driver: ESRI Shapefile 
## Source: "/Users/ada/Documents/Ada Documents/Master in Columbia/Courses/Data Science/R programming/homework/p8105_final_project/new_map/nynta.shp", layer: "nynta"
## with 195 features
## It has 7 fields

summary(mydat2)

## Object of class SpatialPolygonsDataFrame
## Coordinates:
##        min       max
## x 913175.1 1067382.5
## y 120121.9  272844.3
## Is projected: TRUE 
## proj4string :
## [+proj=lcc +lat_1=40.66666666666666 +lat_2=41.03333333333333
## +lat_0=40.16666666666666 +lon_0=-74 +x_0=300000 +y_0=0
## +datum=NAD83 +units=us-ft +no_defs +ellps=GRS80 +towgs84=0,0,0]
## Data attributes:
##     BoroCode          BoroName  CountyFIPS    NTACode   
##  Min.   :1   Bronx        :38   005:38     BK09   :  1  
##  1st Qu.:2   Brooklyn     :51   047:51     BK17   :  1  
##  Median :3   Manhattan    :29   061:29     BK19   :  1  
##  Mean   :3   Queens       :58   081:58     BK21   :  1  
##  3rd Qu.:4   Staten Island:19   085:19     BK23   :  1  
##  Max.   :5                                 BK25   :  1  
##                                            (Other):189  
##                                        NTAName      Shape_Leng    
##  Airport                                   :  1   Min.   : 11000  
##  Allerton-Pelham Gardens                   :  1   1st Qu.: 23824  
##  Annadale-Huguenot-Prince's Bay-Eltingville:  1   Median : 30556  
##  Arden Heights                             :  1   Mean   : 42011  
##  Astoria                                   :  1   3rd Qu.: 41877  
##  Auburndale                                :  1   Max.   :490196  
##  (Other)                                   :189                   
##    Shape_Area       
##  Min.   :  5573902  
##  1st Qu.: 19383534  
##  Median : 32629789  
##  Mean   : 43230288  
##  3rd Qu.: 50237450  
##  Max.   :327760045  
## 

summary(mydat)

## Object of class SpatialPolygonsDataFrame
## Coordinates:
##        min       max
## x 913175.1 1067382.5
## y 120121.9  272844.3
## Is projected: TRUE 
## proj4string :
## [+proj=lcc +lat_1=40.66666666666666 +lat_2=41.03333333333333
## +lat_0=40.16666666666666 +lon_0=-74 +x_0=300000 +y_0=0
## +datum=NAD83 +units=us-ft +no_defs +ellps=GRS80 +towgs84=0,0,0]
## Data attributes:
##     BoroCode          BoroName  CountyFIPS    NTACode   
##  Min.   :1   Bronx        :38   005:38     BK09   :  1  
##  1st Qu.:2   Brooklyn     :51   047:51     BK17   :  1  
##  Median :3   Manhattan    :29   061:29     BK19   :  1  
##  Mean   :3   Queens       :58   081:58     BK21   :  1  
##  3rd Qu.:4   Staten Island:19   085:19     BK23   :  1  
##  Max.   :5                                 BK25   :  1  
##                                            (Other):189  
##                                        NTAName      Shape_Leng    
##  Airport                                   :  1   Min.   : 11000  
##  Allerton-Pelham Gardens                   :  1   1st Qu.: 23824  
##  Annadale-Huguenot-Prince's Bay-Eltingville:  1   Median : 30556  
##  Arden Heights                             :  1   Mean   : 42011  
##  Astoria                                   :  1   3rd Qu.: 41877  
##  Auburndale                                :  1   Max.   :490196  
##  (Other)                                   :189                   
##    Shape_Area       
##  Min.   :  5573902  
##  1st Qu.: 19383534  
##  Median : 32629789  
##  Mean   : 43230288  
##  3rd Qu.: 50237450  
##  Max.   :327760045  
## 

proj4string = "+proj=longlat +datum=NAD83 +no_defs +ellps=GRS80 +towgs84=0,0,0"
proj4string1 = "+proj=longlat +datum=NAD83 +no_defs +ellps=GRS80
+towgs84=0,0,0"

mydat2 = spTransform(mydat, proj4string1)

bins <- c(0, 50000000, 100000000, 150000000, 200000000, Inf)
pal <- colorBin("YlOrRd", domain = mydat2$Shape_Area, bins = bins)

leaflet() %>% 
addProviderTiles("OpenStreetMap.Mapnik") %>%
setView(lat = 40.7, lng = -74, zoom = 9) %>%
addPolygons(data = mydat2, fillColor = ~pal(Shape_Area), weight = 2,
  opacity = 1,
  color = "white",
  dashArray = "3",
  fillOpacity = 0.7)

names(mydat2)

## [1] "BoroCode"   "BoroName"   "CountyFIPS" "NTACode"    "NTAName"   
## [6] "Shape_Leng" "Shape_Area"

uk

UK <- getData("GADM", country = "GB", level = 2)

### Create dummy data
set.seed(111)
mydf <- data.frame(place = unique(UK$NAME_2),
                   value = sample.int(n = 1000000, size = n_distinct(UK$NAME_2), replace = TRUE))

### Create five colors for fill
mypal <- colorQuantile(palette = "RdYlBu", domain = mydf$value, n = 5, reverse = TRUE)

leaflet() %>% 
addProviderTiles("OpenStreetMap.Mapnik") %>%
setView(lat = 55, lng = -3, zoom = 6) %>%
addPolygons(data = UK,
            stroke = FALSE, smoothFactor = 0.2, fillOpacity = 0.3,
            fillColor = ~mypal(mydf$value),
            popup = paste("Region: ", UK$NAME_2, "<br>",
                          "Value: ", mydf$value, "<br>")) %>%
addLegend(position = "bottomright", pal = mypal, values = mydf$value,
          title = "UK value",
          opacity = 1)